title: Occipital nerve entrapment within the semispinalis capitis muscle diagnosed with ultrasound.
authors.affiliation: Center for Pain Medicine, Summa Western Reserve Hospital, OH, USA.
authors.forename: Samer
authors.initials: S
authors.lastname: Narouze
authors.forename: Dmitri
authors.initials: D
authors.lastname: Souzdalnitski
mesh_terms: D000328:Adult; D019274:Botulinum Toxins, Type A / Q000627:therapeutic use; D006261:Headache / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D008297:Male; D009334:Neck Muscles / Q000000981:diagnostic imaging; D009408:Nerve Compression Syndromes / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D009437:Neuralgia / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D009465:Neuromuscular Agents / Q000627:therapeutic use; D064170:Paraspinal Muscles / Q000000981:diagnostic imaging; D012886:Skull / Q000294:innervation; D014463:Ultrasonography
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A